Pin for a firearm



FIG. 1 is a bottom, rear perspective view of a first exemplaryembodiment of the pin for a firearm, showing our new design;

FIG. 2 is a bottom, front perspective view thereof;

FIG. 3 is a top, rear perspective view thereof;

FIG. 4 is a top, front perspective view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a front view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is a left side view thereof;

FIG. 9 is a top view thereof;

FIG. 10 is a bottom view thereof;

FIG. 11 is a bottom, rear perspective view of an alternate exemplaryembodiment of the pin for a firearm, showing our new design;

FIG. 12 is a bottom, front perspective view thereof;

FIG. 13 is a top, rear perspective view thereof;

FIG. 14 is a top, front perspective view thereof;

FIG. 15 is a rear view thereof;

FIG. 16 is a front view thereof;

FIG. 17 is a right side view thereof;

FIG. 18 is a left side view thereof;

FIG. 19 is a top view thereof; and,

FIG. 20 is a bottom view thereof.

CLAIM The ornamental design for a pin for a firearm, as shown anddescribed.